Webinars are the cost effective alternative available for in-person meetings and allows firms to increase their reach to large target audiences. Webinars help nurture existing relationships, generate leads, drive sales, etc.
? You can also give a preview of your webinar on LinkedIn along with a blog around it, instead of directly promoting the webinar. You can also create sponsored updates and standalone ads to advertise on LinkedIn.
? Host a live webinar during product launch:
LinkedIn:

Google+:

? Donít forget to include twitter hash tags in pre and post emails sent to your participants, and encourage them to do the same.
? Make sure that your team members regularly update posts related to the webinar, so your audience will remain connected with the event. Encourage your audience, so they become the part of the conversation.

? Allow time for Q&A:

Be sure to allow time at the end of the webinar for taking questions that your audience can submit throughout the webinar. The Q&A provides a great opportunity to engage your audience and give additional insight to what you have previously discussed, as well as related topics that are of interest to the audience.
As soon as a person register for your webinar, send them a thank you mail and a confirmation mail. Sending this is not only good manners, but will also help get a confirmation from the registrant side.
It is really difficult to get an audience to be a part of your webinar. You always need to look for a topic from your niche that is trending to be able to capture the attention of a large audience. Do some research and look for customer problems. Be relevant and informative with your webinar topic to encourage more people to attend your webinar.